no doubt a cover is missing from there. a part probably has been removed as said earlier to fit another car and they are fobbing that off on you. Still think you have redress and probable right to cancel deal if they dont fix, but you would need to read what you signed off on. I aint a legal person.
Current Car: Hyundai Kona Premium EV...2 way 40kg hoist
Last Car: Toyota C-HR Excel Hybrid...4 way 80kg hoist